Woofer efficiency

Details Woofer efficiency Woofer efficiency

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H04S 1/00 (2006.01) H03F 3/68 (2006.01) H04R 1/28 (2006.01) H04R 3/00 (2006.01) H04R 3/04 (2006.01) H04R 3/14 (2006.01) H04S 3/00 (2006.01)

Patent

CA 1110176

IMPROVING WOOFER EFFICIENCY ABSTRACT OF THE DISCLOSURE A loudspeaker system having a woofer, tweeter and crossover network has a closed box resonance of 81.5 Hz above the half-power point of 65 Hz of the system that includes active equalization of the woofer in the region below 81.5 Hz with an inexpensive two-pole one-transistor circuit.

320911

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